From a6150c487e7a0eb3fb1d9874d2fa7de61cdbfd30 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Tue, 27 Apr 2021 19:29:20 +0800
Subject: refactor: ...

---
 .../Services/User/IUserPermissionService.cs        | 35 ++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 BackEnd/Timeline/Services/User/IUserPermissionService.cs

(limited to 'BackEnd/Timeline/Services/User/IUserPermissionService.cs')

diff --git a/BackEnd/Timeline/Services/User/IUserPermissionService.cs b/BackEnd/Timeline/Services/User/IUserPermissionService.cs
new file mode 100644
index 00000000..7ff1275b
--- /dev/null
+++ b/BackEnd/Timeline/Services/User/IUserPermissionService.cs
@@ -0,0 +1,35 @@
+using System.Threading.Tasks;
+
+namespace Timeline.Services.User
+{
+    public interface IUserPermissionService
+    {
+        /// <summary>
+        /// Get permissions of a user.
+        /// </summary>
+        /// <param name="userId">The id of the user.</param>
+        /// <param name="checkUserExistence">Whether check the user's existence.</param>
+        /// <returns>The permission list.</returns>
+        /// <exception cref="UserNotExistException">Thrown when <paramref name="checkUserExistence"/> is true and user does not exist.</exception>
+        Task<UserPermissions> GetPermissionsOfUserAsync(long userId, bool checkUserExistence = true);
+
+        /// <summary>
+        /// Add a permission to user.
+        /// </summary>
+        /// <param name="userId">The id of the user.</param>
+        /// <param name="permission">The new permission.</param>
+        /// <exception cref="UserNotExistException">Thrown when user does not exist.</exception>
+        /// <exception cref="InvalidOperationOnRootUserException">Thrown when change root user's permission.</exception>
+        Task AddPermissionToUserAsync(long userId, UserPermission permission);
+
+        /// <summary>
+        /// Remove a permission from user.
+        /// </summary>
+        /// <param name="userId">The id of the user.</param>
+        /// <param name="permission">The permission.</param>
+        /// <param name="checkUserExistence">Whether check the user's existence.</param>
+        /// <exception cref="UserNotExistException">Thrown when <paramref name="checkUserExistence"/> is true and user does not exist.</exception>
+        /// <exception cref="InvalidOperationOnRootUserException">Thrown when change root user's permission.</exception>
+        Task RemovePermissionFromUserAsync(long userId, UserPermission permission, bool checkUserExistence = true);
+    }
+}
-- 
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